There should Be enough to do 13 more. I switched to 18 gauge. The item "Tecnifibre X-One Biphase tennis string 16 gauge 1.30 reel. Great Multifilament" is in sale since Thursday, November 19, 2020. This item is in the category "Sporting Goods\Tennis & Racquet Sports\Tennis\Strings".The seller is "tennisgolf808" and is located in Honolulu, Hawaii. This item can be shipped to United States.